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  <title>Returns whether phar extension supports writing and creating phars</title>
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  <div id="layout-content"><div id="phar.canwrite" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Phar::canWrite</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8, PECL phar &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">Phar::canWrite</span> &mdash; <span class="dc-title">Returns whether phar extension supports writing and creating phars</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-phar.canwrite-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">final</span> <span class="modifier">public</span> <span class="modifier">static</span> <span class="methodname"><strong>Phar::canWrite</strong></span>(): <span class="type">bool</span></div>


  <p class="para rdfs-comment">
   This static method determines whether write access has been disabled in
   the system php.ini via the <a href="phar.configuration.html#ini.phar.readonly" class="link">phar.readonly</a>
   ini variable.
  </p>

 </div>

 <div class="refsect1 parameters" id="refsect1-phar.canwrite-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-phar.canwrite-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   <strong><code>true</code></strong> if write access is enabled, <strong><code>false</code></strong> if it is disabled.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-phar.canwrite-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-722">
    <p><strong>示例 #1 A <span class="function"><strong>Phar::canWrite()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">Phar</span><span style="color: #007700">::</span><span style="color: #0000BB">canWrite</span><span style="color: #007700">())&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'phar://myphar.phar/file.txt'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'hi&nbsp;there'</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-phar.canwrite-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><a href="phar.configuration.html#ini.phar.readonly" class="link">phar.readonly</a></li>
    <li class="member"><span class="function"><a href="phar.iswritable.html" class="function" rel="rdfs-seeAlso">Phar::isWritable()</a> - Returns true if the phar archive can be modified</span></li>
   </ul>
  </p>
 </div>



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